[PATCH 2/2] pcmcia: nsp_cs: add __printf attribute to logging functions

From: Nicolas Iooss
Date: Sat May 20 2017 - 07:17:05 EST


Adding __printf attributes helps to detect errors in printf format
strings at build time.

Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@xxxxxxx>
---
drivers/scsi/pcmcia/nsp_cs.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c
index 5fb6eefc6541..33b982be9763 100644
--- a/drivers/scsi/pcmcia/nsp_cs.c
+++ b/drivers/scsi/pcmcia/nsp_cs.c
@@ -136,7 +136,8 @@ static inline void nsp_inc_resid(struct scsi_cmnd *SCpnt, int residInc)
scsi_set_resid(SCpnt, scsi_get_resid(SCpnt) + residInc);
}

-static void nsp_cs_message(const char *func, int line, char *type, char *fmt, ...)
+static __printf(4, 5)
+void nsp_cs_message(const char *func, int line, char *type, const char *fmt, ...)
{
va_list args;
char buf[NSP_DEBUG_BUF_LEN];
@@ -153,7 +154,8 @@ static void nsp_cs_message(const char *func, int line, char *type, char *fmt, ..
}

#ifdef NSP_DEBUG
-static void nsp_cs_dmessage(const char *func, int line, int mask, char *fmt, ...)
+static __printf(4, 5)
+void nsp_cs_dmessage(const char *func, int line, int mask, const char *fmt, ...)
{
va_list args;
char buf[NSP_DEBUG_BUF_LEN];
--
2.12.2